LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2025 >> Prius LE >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Electronic A/T Shift Lever System - Diagnostic Codes & Circuit Tests >> Electronic Shift Lever System >> DTC P085D-04: Gear Shift Control Module "A" System Internal Failure [12/2022 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P085D-04: Gear Shift Control Module "A" System Internal Failure [12/2022 - ]: Description

The shift control ECU is built into the shift lock control unit assembly. The shift control ECU monitors the ECU internal operation, and detects internal malfunctions (data flash malfunction).

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
P085D-04 Gear Shift Control Module "A" System Internal Failure When the auxiliary battery voltage is certain value or more, a shift control ECU internal malfunction (data flash malfunction) is repeatedly detected
(1 trip detection logic)
Shift control ECU (transmission floor shift assembly) Does not come on Multi-information Display Error Message 
  • Displayed
Hybrid Control A SAE: P085D